\(2448:\left[119-\left(23-6\right)\right]\)
\(=2448:\left[119-23+6\right]\)
\(=2448:102\)
\(=24\)
\(\left[130-3\left(5.2^4-5^2.2\right)\right]:2^3\)
\(=\left[130-3\left(5.16-25.2\right)\right]:8\)
\(=\left[130-3\left(80-50\right)\right]:8\)
\(=\left[130-3.30\right]:8\)
\(=\left[130-90\right]:8\)
\(=40:8=5\)
\(5^3.52+5^3.7^2-5^3\)
\(=5^3.52+5^3.49-5^3\)
\(=5^3\left(52+49-1\right)\)
\(=5^3.100\)
\(=125.100=12500\)
\(2^3.16-2^3.14+56\)
\(=2^3.16-2^3.14+2^3.7\)
\(=2^3\left(16-14+7\right)\)
\(=2^3.9\)
\(=8.9=72\)
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